Laird Technologies
Scroll down to find the Part Number related to the following motorola style mount options: 3/4" Permanent Hole (NMO) Brass Mounts 3/8" Permanent Hole (NMO) Brass Mounts 3/4",3/8", 5/8" Alternative (NMO) Mounts 3/4" Magnetic Mounts (80lb pull strength)...